Throwing Dust
Scholars have said that seeing someone throwing dust into another person's eye suggests that the thrower will spend money on the other to mislead them regarding a matter. This is done with the intention of achieving their goals from them.
Per Ibn Sirin's Muntakhab al-Kalam fi Tafsir al-Ahlam
Note: These are traditional scholarly interpretations (ijtihad) drawn from a specific classical source — not a binding religious ruling, fortune-telling, or a prediction of the future.